/* ===== 页面专属：使用说明 ===== */
.page-disclaimer {
  --disclaimer-content-max: 880px;
  --disclaimer-sidebar-width: 220px;
  --disclaimer-gap: 2.5rem;
  --disclaimer-sep-color: var(--border-shadow);
  --disclaimer-accent: var(--red-orange);

  font-family: var(--font-body);
  color: var(--dark-gray);
  background-color: var(--cream-bg);
  padding: 2rem var(--content-padding) 3.5rem;
  max-width: var(--content-max-width);
  margin: 0 auto;
}

/* --- 面包屑 --- */
.page-disclaimer__breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
  margin-bottom: 1.25rem;
  color: var(--mid-gray);
}

.page-disclaimer__breadcrumb-link {
  color: var(--mid-gray);
  text-decoration: none;
  transition: color 0.2s;
}

.page-disclaimer__breadcrumb-link:hover {
  color: var(--dark-brown);
}

.page-disclaimer__breadcrumb-sep {
  color: var(--border-shadow);
  font-size: 0.75rem;
}

.page-disclaimer__breadcrumb-current {
  color: var(--dark-brown);
  font-weight: 500;
}

/* --- 标题区 --- */
.page-disclaimer__header {
  margin-bottom: 2rem;
}

.page-disclaimer__title {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 400;
  color: var(--dark-brown);
  line-height: 1.15;
  margin: 0 0 0.35rem;
  letter-spacing: -0.01em;
}

.page-disclaimer__subtitle {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 400;
  color: var(--mid-gray);
  margin: 0 0 1.5rem;
  line-height: 1.5;
}

.page-disclaimer__image-wrap {
  width: 100%;
  max-width: 800px;
  border: 1px solid var(--border-shadow);
  overflow: hidden;
  background: rgba(212, 201, 184, 0.15);
  margin-bottom: 0.25rem;
}

.page-disclaimer__image {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

/* --- 网格容器 --- */
.page-disclaimer__grid {
  display: flex;
  flex-direction: column;
  gap: var(--disclaimer-gap);
}

/* --- 侧边栏 (移动端在上方) --- */
.page-disclaimer__sidebar {
  background: rgba(212, 201, 184, 0.12);
  border: 1px solid var(--border-shadow);
  padding: 1.25rem 1.25rem 1rem;
  order: 0;
}

.page-disclaimer__sidebar-title {
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--dark-brown);
  letter-spacing: 0.04em;
  margin: 0 0 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-shadow);
}

.page-disclaimer__sidebar-nav {
  margin-bottom: 0.75rem;
}

.page-disclaimer__sidebar-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.5rem;
}

.page-disclaimer__sidebar-item {
  margin: 0;
}

.page-disclaimer__sidebar-link {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--dark-gray);
  text-decoration: none;
  padding: 0.3rem 0.6rem;
  border: 1px solid transparent;
  border-radius: 2px;
  transition: color 0.2s, background 0.2s, border-color 0.2s;
  position: relative;
}

.page-disclaimer__sidebar-link::before {
  content: "—";
  color: var(--disclaimer-accent);
  font-weight: 700;
  margin-right: 0.3rem;
  opacity: 0.6;
}

.page-disclaimer__sidebar-link:hover {
  color: var(--disclaimer-accent);
  background: rgba(227, 95, 50, 0.06);
  border-color: var(--border-shadow);
}

.page-disclaimer__sidebar-link--external {
  display: block;
  padding: 0.35rem 0.6rem;
  margin-bottom: 0.2rem;
}

.page-disclaimer__sidebar-link--external::before {
  content: "›";
  font-size: 1.1em;
  margin-right: 0.4rem;
  opacity: 0.7;
}

/* --- 侧边栏分隔线 --- */
.page-disclaimer__divider--sidebar {
  margin: 0.75rem 0 0.6rem;
  border: 0;
  height: 1px;
  background: var(--border-shadow);
}

/* --- 侧边栏相关页面 --- */
.page-disclaimer__sidebar-related {
  display: flex;
  flex-direction: column;
}

.page-disclaimer__sidebar-related-title {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--mid-gray);
  margin: 0 0 0.35rem;
}

/* --- 内容区 --- */
.page-disclaimer__content {
  order: 1;
  min-width: 0;
}

/* --- 章节 --- */
.page-disclaimer__section {
  scroll-margin-top: 80px;
}

.page-disclaimer__section-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--dark-brown);
  margin: 0 0 0.75rem;
  line-height: 1.25;
}

.page-disclaimer__section-text {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--dark-gray);
  margin: 0 0 1rem;
  max-width: 70ch;
}

.page-disclaimer__section-text:last-child {
  margin-bottom: 0;
}

/* --- 印刷风格分隔线 --- */
.page-disclaimer__divider {
  border: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--border-shadow) 0%, var(--border-shadow) 40%, transparent 80%);
  margin: 2rem 0;
  position: relative;
}

.page-disclaimer__divider::after {
  content: "◆";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.6rem;
  color: var(--disclaimer-accent);
  opacity: 0.5;
  background: var(--cream-bg);
  padding-left: 0.5rem;
}

.page-disclaimer__divider--spaced {
  margin: 2.5rem 0 1.5rem;
}

.page-disclaimer__divider--spaced::after {
  content: "◇";
  font-size: 0.7rem;
  opacity: 0.6;
}

/* --- 了解更多区域 --- */
.page-disclaimer__related {
  background: rgba(212, 201, 184, 0.08);
  border-left: 3px solid var(--disclaimer-accent);
  padding: 1.25rem 1.5rem;
}

.page-disclaimer__related-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--dark-brown);
  margin: 0 0 0.75rem;
}

.page-disclaimer__related-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
}

.page-disclaimer__related-link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--dark-brown);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.page-disclaimer__related-link:hover {
  color: var(--disclaimer-accent);
  border-bottom-color: var(--disclaimer-accent);
}

.page-disclaimer__related-arrow {
  font-size: 1.05em;
  color: var(--disclaimer-accent);
  transition: transform 0.2s;
}

.page-disclaimer__related-link:hover .page-disclaimer__related-arrow {
  transform: translateX(3px);
}

/* ===== 桌面端 (≥768px) ===== */
@media (min-width: 768px) {
  .page-disclaimer {
    padding: 2.5rem var(--content-padding) 4rem;
  }

  .page-disclaimer__title {
    font-size: 2.75rem;
  }

  .page-disclaimer__subtitle {
    font-size: 1.125rem;
  }

  .page-disclaimer__grid {
    flex-direction: row;
    align-items: flex-start;
    gap: var(--disclaimer-gap);
  }

  .page-disclaimer__sidebar {
    flex: 0 0 var(--disclaimer-sidebar-width);
    position: sticky;
    top: calc(var(--header-height, 72px) + 1rem);
    order: 0;
    padding: 1.5rem 1.25rem;
  }

  .page-disclaimer__sidebar-list {
    flex-direction: column;
    gap: 0.15rem;
  }

  .page-disclaimer__sidebar-link {
    padding: 0.35rem 0.6rem;
    font-size: 0.875rem;
    display: block;
  }

  .page-disclaimer__sidebar-link--external {
    padding: 0.3rem 0.6rem;
  }

  .page-disclaimer__content {
    flex: 1;
    min-width: 0;
    max-width: var(--disclaimer-content-max);
  }

  .page-disclaimer__section-title {
    font-size: 1.625rem;
  }

  .page-disclaimer__section-text {
    font-size: 1rem;
  }

  .page-disclaimer__divider {
    margin: 2.25rem 0;
  }

  .page-disclaimer__related {
    padding: 1.5rem 2rem;
  }
}

/* ===== 宽桌面 (≥1024px) ===== */
@media (min-width: 1024px) {
  .page-disclaimer {
    padding: 3rem var(--content-padding) 5rem;
  }

  .page-disclaimer__title {
    font-size: 3.25rem;
  }

  .page-disclaimer__sidebar {
    flex-basis: 240px;
  }

  .page-disclaimer__content {
    max-width: 780px;
  }

  .page-disclaimer__section-title {
    font-size: 1.75rem;
  }

  .page-disclaimer__section-text {
    font-size: 1.0625rem;
    line-height: 1.75;
  }
}